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Ma L, Xu B, Wang W, Deng W, Ding M. Analysis of tryptophan catabolism in HBV patients by HPLC with programmed wavelength ultraviolet detection. Clin Chim Acta. 2009 Jul;405(1-2):94–6. doi: 10.1016/j.cca.2009.04.009. PMID: 19376101. |